Method, system, electronic device, and storage medium for pid region calibration

Abstract

This application provides a method, system, electronic device, and storage medium for PID region calibration, including: acquiring V in the PID region. SOA The maximum value V SOA‑MAX and minimum value V SOA‑MIN According to the maximum value V SOA‑MAX and minimum value V SOA‑MIN Obtain the maximum optical power P in the PID region MAX and minimum value P MIN According to the maximum value P MAX and minimum value P MIN The optical power calibration coefficient is obtained by fitting an exponential function; the calibrated optical power of the PID region is then obtained according to the preset optical power calibration formula and the optical power calibration coefficient. This makes the calibration of the optical power in the PID region fast and accurate.

Description

TECHNICAL FIELD

[0001] The present application belongs to the field of optical communication, and particularly relates to a method and system for PID region calibration, an electronic device and a storage medium. BACKGROUND

[0002] Currently, the demand for 100G ZR4 modules is increasing. In the use of common PIN ROSA and APD ROSA, the demand for 80km transmission distance cannot be met, so the use of PIN SOA ROSA is increasing. Considering the cost and power consumption, one SOA is generally used to amplify four optical powers. However, the optical amplification coefficient of SOA is completely different for different wavelengths and optical powers. Therefore, for the calibration of PIN SOA ROSA, the traditional first-order function and second-order function cannot meet the calibration under the full working power. Therefore, a new calibration logic needs to be used for calibration. At this time, two first-order functions can be used in the large and small light regions, and an algorithm controlled by PID is used for calibration in the middle light region. SUMMARY

[0003] The main purpose of the embodiment of the present application is to provide a method and system for PID region calibration, an electronic device and a storage medium, so that the calibration of the optical power in the PID region is fast and accurate.

[0004] In a first aspect, a method for PID region calibration is provided, and the method comprises:

[0005] obtaining the maximum value V SOA and the minimum value V SOA-MAX of V SOA-MIN in the PID region;

[0006] obtaining the maximum value P MAX and the minimum value P MIN of the optical power in the PID region according to the maximum value V SOA-MAX and the minimum value V SOA-MIN ;

[0007] obtaining an optical power calibration coefficient through an exponential function fitting according to the maximum value P MAX and the minimum value P MIN ;

[0008] obtaining the calibrated optical power of the PID region according to a preset optical power calibration formula and the optical power calibration coefficient.

[0009] In one possible implementation, the maximum value V SOA and the minimum value V SOA-MAX of V SOA-MIN in the PID region are obtained, comprising:

[0010] Set the input V of the PID region SOA ;

[0011] Obtain the input V SOA The input is the I of the PID region. SOA ;

[0012] Get all values ​​that are multiples of 10. SOA And generate the first I SOA gather;

[0013] The first I SOA Input all the values ​​in the set into the PID region, and obtain the I corresponding to the bit error rate of the PID region being 5E-5. SOA And generate the second I SOA gather;

[0014] From the second I SOA The maximum value of the set I SOA-MAX and minimum value I SOA-MIN Back-engineering to obtain the corresponding maximum value V SOA-MAX and minimum value V SOA-MIN ...

[0015] In another possible implementation, the optical power calibration formula is P(mW) = 10^(A*V) SOA ^2+B*V SOA +C), where A, B, and C are optical power calibration coefficients.

[0016] The second aspect provides a system for PID region calibration, the system comprising:

[0017] V SOA The upper and lower limit acquisition module is used to obtain V in the PID region. SOA The maximum value V SOA -Max and minimum values ​​V SOA-MIN ;

[0018] The optical power upper and lower limit acquisition module is used to obtain the maximum value V based on the optical power upper and lower limits. SOA-MAX and minimum value V SOA-MIN Obtain the maximum optical power P in the PID region MAX and minimum value P MIN ;

[0019] The optical power calibration coefficient acquisition module is used to obtain the optical power calibration coefficient based on the maximum value P. MAX and minimum value P MIN The optical power calibration coefficients are obtained by fitting an exponential function.

[0020] The calibrated optical power acquisition module is configured to acquire the calibrated optical power of the PID area according to a preset optical power calibration formula and the optical power calibration coefficient.

[0021] In one possible implementation, the V SOA The upper and lower limit acquisition module comprises:

[0022] V SOA The setting unit is configured to set the input V SOA of the PID area.

[0023] I SOA The acquisition unit is configured to acquire the I SOA of the PID area when the input V SOA .

[0024] The first I SOA set generation unit is configured to acquire all I SOA values that are integer multiples of 10 and generate a first I SOA set.

[0025] The second I SOA set generation unit is configured to input all values in the first I SOA set to the PID area, acquire the I SOA corresponding to a bit error rate of 5E-5 of the PID area, and generate a second I SOA set.

[0026] V SOA The upper and lower limit acquisition unit is configured to inversely acquire the maximum V SOA and the minimum V SOA-MAX from the maximum I SOA-MIN and the minimum I SOA-MAX of the second I SOA-MIN set.

[0027] In another possible implementation, the optical power calibration formula is P(mW)=10^(A*V SOA ^2+B*V SOA +C), where A, B, and C are optical power calibration coefficients.

[0028] In a third aspect, an electronic device is provided, which includes a memory, a processor, and a computer program stored in the memory and executable on the processor, and the processor implements the method for PID area calibration provided in the first aspect when executing the program.

[0029] In a fourth aspect, a non-transitory computer readable storage medium is provided, which stores a computer program, and the computer program is executable on a processor to implement the method for PID area calibration provided in the first aspect. Attached Figure Description

[0030] To more clearly illustrate the technical solutions in the embodiments of this application, the accompanying drawings used in the description of the embodiments of this application will be briefly introduced below.

[0031] Figure 1 A flowchart illustrating a PID region calibration method provided in one embodiment of the present invention;

[0032] Figure 2 A flowchart of a PID region calibration method provided in another embodiment of the present invention;

[0033] Figure 3 This is a structural diagram of a PID region calibration system provided in one embodiment of the present invention;

[0034] Figure 4 A structural diagram of a PID region calibration system provided in another embodiment of the present invention;

[0035] Figure 5 This is a schematic diagram of the physical structure of an electronic device according to the present invention. Detailed Implementation

[0036] The embodiments of this application are described in detail below. Examples of these embodiments are shown in the accompanying drawings, wherein the same or similar reference numerals denote the same or similar modules or modules having the same or similar functions throughout. The embodiments described below with reference to the accompanying drawings are exemplary and are only used to explain this application, and should not be construed as limiting the invention.

[0037] Those skilled in the art will understand that, unless specifically stated otherwise, the singular forms “a,” “an,” “the,” and “the” used herein may also include the plural forms. It should be further understood that the term “comprising” as used in this application means the presence of the stated features, integers, steps, operations, modules, and / or components, but does not exclude the presence or addition of one or more other features, integers, steps, operations, modules, components, and / or groups thereof. It should be understood that when we say a module is “connected” or “coupled” to another module, it can be directly connected or coupled to the other module, or there may be an intermediate module. Furthermore, “connected” or “coupled” as used herein can include wireless connection or wireless coupling. The term “and / or” as used herein includes all or any of the modules and all combinations thereof of one or more associated listed items.

[0038] To make the objectives, technical solutions, and advantages of this application clearer, the implementation of this application will be described in further detail below with reference to the accompanying drawings.

[0039] The technical solutions of this application and how they solve the aforementioned technical problems will be described in detail below with specific embodiments. These specific embodiments can be combined with each other, and the same or similar concepts or processes may not be repeated in some embodiments. The embodiments of this application will now be described with reference to the accompanying drawings.

[0040] like Figure 1 The diagram shows a flowchart of a PID region calibration method according to an embodiment of the present invention, the method comprising:

[0041] Step 101, obtain V in the PID region SOA The maximum value V SOA-MAX and minimum value V SOA-MIN ;

[0042] Step 102, based on the maximum value V SOA-MAX and minimum value V SOA-MIN Obtain the maximum optical power P in the PID region MAX and minimum value P MIN ;

[0043] Step 103, based on the maximum value P MAX and minimum value P MIN The optical power calibration coefficients are obtained by fitting an exponential function.

[0044] Step 104: Obtain the calibrated optical power of the PID region according to the preset optical power calibration formula and the optical power calibration coefficient.

[0045] In this embodiment of the invention, by setting V SOA Get V in the PID region SOA The maximum value V SOA-MAX and minimum value V SOA-MIN According to this maximum value V SOA-MAX and minimum value V SOA-MIN The maximum optical power P in the PID region is obtained by reverse calculation. MAX and minimum value P MIN However, calibration requires the use of calibration coefficients at different optical powers. Therefore, by adjusting the maximum optical power P... MAX and minimum value P MIN The corresponding optical power calibration coefficient is obtained through the exponential function fitting process, and the corresponding calibrated optical power is obtained through the preset optical power calibration formula and the optical power calibration coefficient.

[0046] The optical power calibration formula is P(mW)=10^(A*V) SOA ^2+B*V SOA +C), where A, B, and C are optical power calibration coefficients.

[0047] The embodiment of the present application acquires the maximum value V SOA and the minimum value V SOA-MAX of V SOA-MIN in the PID region; acquires the maximum value P MAX and the minimum value P MIN of optical power in the PID region according to the maximum value V SOA-MAX and the minimum value V SOA-MIN ; acquires the optical power calibration coefficient through exponential function fitting according to the maximum value P MAX and the minimum value P MIN ; and acquires the calibrated optical power of the PID region according to the preset optical power calibration formula and the optical power calibration coefficient. Thus, the calibration of the optical power of the PID region is fast and accurate.

[0048] As shown in FIG. 2, the embodiment of the present application provides a flow chart of a method for PID region calibration, and the method comprises the following steps. Figure 2 The embodiment of the present application acquires the maximum value V SOA and the minimum value V SOA-MAX of V SOA-MIN , which comprises the following steps.

[0049] Step 201: setting the input V SOA of the PID region;

[0050] Step 202: acquiring the I SOA of the PID region when the input V SOA is inputted;

[0051] Step 203: acquiring the I SOA of all the integer multiples of 10 and generating a first I SOA set;

[0052] Step 204: inputting all the values in the first I SOA set into the PID region, acquiring the I SOA corresponding to the bit error rate of 5E-5 of the PID region, and generating a second I SOA set;

[0053] Step 205: acquiring the maximum value V SOA-MAX and the minimum value V SOA-MIN corresponding to the maximum value I SOA-MAX and the minimum value I SOA-MIN of the second I SOA set.

[0054] In the embodiment of the present application, V SOA is set so that I SOAThe four channels were scanned at 10mA, 20mA, 30mA...120mA, with a step size of 0.5dBm optical power, at a fixed I... SOA Below, the bit error rate curve for the entire optical power range is selected as I. SOA It can meet the requirement of a bit error rate of 5E-5 across the entire optical power range under the protocol, through this I SOA Calculate the corresponding V from the upper and lower limits. SOA Upper and lower limits; I at this time SOA The larger the IL, the lower the benefit of sensitivity optimization, but the greater the power consumption. Therefore, a larger IL is required. SOA To test power consumption at high temperatures, while meeting sensitivity requirements, a certain degree of sensitivity can be sacrificed to reduce power consumption. This yields I0. SOA The upper limit, through I SOA V is derived from the upper and lower limits SOA The upper and lower limits.

[0055] like Figure 3 The diagram shown is a structural diagram of a PID region calibration system provided in an embodiment of the present invention. The system includes:

[0056] V SOA Upper and lower limit acquisition module 301 is used to acquire V in the PID region. SOA The maximum value V SOA-MAX and minimum value V SOA-MIN ;

[0057] The optical power upper and lower limit acquisition module 302 is used to obtain the optical power upper and lower limits based on the maximum value V. SOA-MAX and minimum value V SOA-MIN Obtain the maximum optical power P in the PID region MAX and minimum value P MIN ;

[0058] Optical power calibration coefficient acquisition module 303 is used to obtain the optical power calibration coefficient based on the maximum value P. MAX and minimum value P MIN The optical power calibration coefficients are obtained by fitting an exponential function.

[0059] The calibrated optical power acquisition module 304 is used to acquire the calibrated optical power of the PID region according to the preset optical power calibration formula and the optical power calibration coefficient.

[0060] In this embodiment of the invention, by setting V SOA Get V in the PID region SOA The maximum value V SOA-MAX and minimum value V SOA-MIN According to this maximum value V SOA-MAX and minimum value V SOA-MINThe maximum optical power P in the PID region is obtained by reverse calculation. MAX and minimum value P MIN However, calibration requires the use of calibration coefficients at different optical powers. Therefore, by adjusting the maximum optical power P... MAX and minimum value P MIN The corresponding optical power calibration coefficient is obtained through the exponential function fitting process, and the corresponding calibrated optical power is obtained through the preset optical power calibration formula and the optical power calibration coefficient.

[0061] The optical power calibration formula is P(mW)=10^(A*V) SOA ^2+B*V SOA +C), where A, B, and C are optical power calibration coefficients.

[0062] In this embodiment of the invention, V in the PID region is obtained. SOA The maximum value V SOA-MAX and minimum value V SOA-MIN According to the maximum value V SOA-MAX and minimum value V SOA-MIN Obtain the maximum optical power P in the PID region MAX and minimum value P MIN According to the maximum value P MAX and minimum value P MIN The optical power calibration coefficient is obtained by fitting an exponential function; the calibrated optical power of the PID region is then obtained according to the preset optical power calibration formula and the optical power calibration coefficient. This makes the calibration of the optical power in the PID region fast and accurate.

[0063] like Figure 4 The figure shown is a structural diagram of a PID region calibration system provided in another embodiment of the present invention, wherein the V SOA Upper and lower limit acquisition module 301 includes:

[0064] V SOA Setting unit 401 is used to set the input V of the PID region. SOA ;

[0065] I SOA Acquisition unit 402 is used to acquire the input V SOA The input is the I of the PID region. SOA ;

[0066] First I SOA Set generation unit 403 is used to obtain all I values ​​that are multiples of 10. SOA And generate the first I SOA gather;

[0067] Second I SOASet generation unit 404 is used to generate the first I SOA Input all the values ​​in the set into the PID region, and obtain the I corresponding to the bit error rate of the PID region being 5E-5. SOA And generate the second I SOA gather;

[0068] V SOA Upper and lower limit acquisition unit 405, used to obtain from the second I SOA The maximum value of the set I SOA-MAX and minimum value I SOA-MIN Back-engineering to obtain the corresponding maximum value V SOA-MAX and minimum value V SOA-MIN .

[0069] In this embodiment of the invention, V is set SOA , making I SOA The four channels were scanned at 10mA, 20mA, 30mA...120mA, with a step size of 0.5dBm optical power, at a fixed I... SOA Below, the bit error rate curve for the entire optical power range is selected as I. SOA It can meet the requirement of a bit error rate of 5E-5 across the entire optical power range under the protocol, through this I SOA Calculate the corresponding V from the upper and lower limits. SOA Upper and lower limits; I at this time SOA The larger the IL, the lower the benefit of sensitivity optimization, but the greater the power consumption. Therefore, a larger IL is required. SOA To test power consumption at high temperatures, while meeting sensitivity requirements, a certain degree of sensitivity can be sacrificed to reduce power consumption. This yields I0. SOA The upper limit, through I SOA V is derived from the upper and lower limits SOA The upper and lower limits.

[0070] Figure 5 An example is a schematic diagram of the physical structure of an electronic device, such as... Figure 5 As shown, the electronic device may include: a processor 501, a communication interface 502, a memory 503, and a communication bus 504, wherein the processor, communication interface, and memory communicate with each other via the communication bus. The processor can call logical instructions in the memory to execute a PID region calibration method, which includes: obtaining V in the PID region. SOA The maximum value V SOA-MAX and minimum value V SOA-MIN According to the maximum value V SOA-MAX and minimum value V SOA-MINobtaining a maximum value P of optical power in the PID region MAX and a minimum value P MIN ; according to the maximum value P MAX and the minimum value P MIN obtaining an optical power calibration coefficient by exponential function fitting; and obtaining calibrated optical power of the PID region according to a preset optical power calibration formula and the optical power calibration coefficient.

[0071] In addition, the logic instructions in the memory described above can be implemented in the form of a software function unit and sold or used as an independent product, and can be stored in a computer readable storage medium. Based on such understanding, the technical solutions of the present application essentially or the part that contributes to the prior art or part of the technical solutions can be embodied in the form of a software product. The computer software product is stored in a storage medium, and includes several instructions for causing a computer device (which can be a personal computer, a server, or a network device, etc.) to execute all or part of the steps of the methods described in the various embodiments of the present application. The foregoing storage medium includes: a U disk, a mobile hard disk, a read-only memory (ROM, Read-Only Memory), a random access memory (RAM, Random Access Memory), a magnetic disk or an optical disk, and various media that can store program codes.

[0072] On the other hand, the embodiments of the present application also provide a computer program product, which comprises a computer program stored on a non-transitory computer readable storage medium, and the computer program comprises program instructions. When the program instructions are executed by a computer, the computer can execute the method of PID region calibration provided by the above-mentioned method embodiments, and the method comprises: obtaining a maximum value V SOA and a minimum value V SOA-MAX of V SOA-MIN in the PID region; according to the maximum value V SOA-MAX and the minimum value V SOA-MIN obtaining a maximum value P of optical power in the PID region MAX and a minimum value P MIN ; according to the maximum value P MAX and the minimum value P MIN obtaining an optical power calibration coefficient by exponential function fitting; and obtaining calibrated optical power of the PID region according to a preset optical power calibration formula and the optical power calibration coefficient.

[0073] In another aspect, the embodiments of the present application also provide a non-transitory computer readable storage medium, which stores a computer program. When the computer program is executed by a processor, the method of PID region calibration provided by the above-mentioned embodiments is implemented, and the method comprises: obtaining a maximum value V SOAa maximum value V SOA-MAX and a minimum value V SOA-MIN ; according to the maximum value V SOA-MAX and the minimum value V SOA-MIN obtaining a maximum value P of optical power in the PID region MAX and a minimum value P MIN ; according to the maximum value P MAX and the minimum value P MIN obtaining an optical power calibration coefficient by exponential function fitting; and obtaining the calibrated optical power of the PID region according to a preset optical power calibration formula and the optical power calibration coefficient.

[0074] It should be understood that, although each step in the flowchart of the accompanying drawings is shown in sequence according to the indication of the arrow, these steps are not necessarily executed in sequence according to the indication of the arrow. Unless explicitly stated herein, the execution of these steps is not strictly limited in sequence, and they can be executed in other sequences. Moreover, at least part of the steps in the flowchart of the accompanying drawings can include multiple sub-steps or multiple stages, which are not necessarily executed at the same time, but can be executed at different times, and the execution sequence is not necessarily sequential, but can be executed in rotation or alternation with at least part of other steps or sub-steps or stages of other steps.

[0075] The above only describes some implementation manners of the present application. It should be noted that, for those skilled in the art, without departing from the principles of the present application, a number of improvements and refinements can be made, and these improvements and refinements should also be considered as falling within the protection scope of the present application.

Claims

1. A method of PID area calibration, characterized by, The method comprises: obtaining a maximum value V SOA and a minimum value V SOA-MAX of the V SOA-MIN in the PID region; According to the maximum value V SOA-MAX and the minimum value V SOA-MIN obtaining the maximum value P MAX and the minimum value P MIN of the optical power in the PID region; According to the maximum value P MAX and minimum value P MIN The light power calibration coefficient is obtained by exponential function fitting; The method comprises: Wherein, the V in the PID region is obtained SOA The maximum value V SOA-MAX and minimum value V SOA-MIN This includes: setting the input V of the PID region. SOA ; Obtain the input V SOA The input is the I of the PID region. SOA Get all I values ​​that are multiples of 10. SOA And generate the first I SOA Set; the first I SOA Input all the values ​​in the set into the PID region, and obtain the I corresponding to the bit error rate of the PID region being 5E-5. SOA And generate the second I SOA Set; from the second I SOA The maximum value of the set I SOA-MAX and minimum value I SOA-MIN Back-engineering to obtain the corresponding maximum value V SOA-MAX and minimum value V SOA-MIN ; The optical power calibration formula is P (mW) = 10^(A*V SOA ^2+B*V SOA +C), wherein A, B, and C are optical power calibration coefficients.

2. A system for PID area calibration, characterized by, The system comprises: V SOA an upper and lower limit obtaining module, configured to obtain a maximum value V SOA and a minimum value V SOA-MAX of the PIDs in the PID region. SOA-MIN ​ a light power upper and lower limit acquisition module, configured to acquire a maximum value V SOA-MAX and a minimum value V SOA-MIN of the light power in the PID region according to the maximum value V MAX and the minimum value V MIN ; The light power calibration coefficient acquisition module is configured to acquire the light power calibration coefficient according to the maximum value P MAX and the minimum value P MIN by exponential function fitting. The system comprises: Wherein, the V SOA Upper and lower limit acquisition module, comprising: V SOA Setting unit, for setting the input V SOA ; I SOA Acquisition unit, for acquiring the input V SOA The input I SOA Of the PID area; first I SOA Set generation unit, for acquiring all the values of I SOA Which is an integer multiple of 10, and generating a first I SOA Set; second I SOA Set generation unit, for inputting all the values in the first I SOA Set to the PID area, acquiring the corresponding I SOA When the error rate of the PID area is 5E-5, and generating a second I SOA Set; V SOA Upper and lower limit acquisition unit, for inversely acquiring the corresponding maximum value V SOA And minimum value V SOA-MAX From the maximum value I SOA-MIN And minimum value I SOA-MAX Of the second I SOA-MIN Set; The optical power calibration formula is P (mW) = 10^(A*V SOA ^2+B*V SOA +C), wherein A, B, and C are optical power calibration coefficients.

3. An electronic device comprising a memory, a processor, and a computer program stored on the memory and executable on the processor, characterized in that, The system comprises:

4. A non-transitory computer-readable storage medium having stored thereon a computer program, characterized in that, The processor executes the program to implement the PID area calibration method of claim 1. The computer program is executed by the processor to implement the PID area calibration method of claim 1.

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